Energy-saving, high heat-resistant insulation roll (JIS certified) Thermalrock B 40 (Thermalock) chosen for multi-purpose sites.
Thermalrock B 40 (Thermal Rock) insulation roll is a flexible insulation material roll made from high-performance stone wool with a density of 40 kg/m3. It is widely used in various applications such as insulation and heat retention for air conditioning ducts, equipment, piping, and valves, fire prevention for kitchen exhaust ducts in apartment buildings, and insulation, heat retention, and condensation prevention for ceilings, walls, and partitions in buildings. Thermalrock B 40 features flexibility that makes it easy to wrap around curves and complex shapes, and it has obtained JIS A9504 "Felt" certification. It achieves low formaldehyde emissions (F★★★★) and is environmentally friendly. Additionally, it includes the ALGC type that complies with the standard specifications for public building construction. With the reliable quality of ROCKWOOL Japan, it contributes to diverse energy-saving, fire prevention, and insulation needs. Product Features: - Flexible roll shape that adapts to various sites - Excellent workability and wrapping, significantly improving construction efficiency - Made primarily from basalt, with high durability and heat resistance over 400°C - Obtained JIS certification (A9504 Felt), F★★★★ low formaldehyde *For more details, please refer to the PDF document or feel free to contact us.
Inquire About This Product
Related Videos
basic information
【Product Specifications (Partial)】 ■Standard Density: 40 kg/m3 ■Thickness: 25mm・50mm ■Dimensions (Thickness) ・910W×11,000L mm (25mm) ・910W×5,500L mm (50mm) ■High-Temperature Shrinkage Temperature: Above 400℃ 【Product Lineup】 ■Thermalrock B 40.ALK ■Thermalrock B 40.ALGC *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
【Applications】 ■ Insulation and condensation prevention for piping and ducts ■ Fire protection for kitchen exhaust ducts ■ Energy saving and comfort improvement in attics and wall cavities ■ Stable temperature management for industrial equipment ■ Soundproofing and noise reduction measures for indoor spaces *For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
ROCKWOOL Group (Rockwool Group, headquartered in Denmark) is one of the world's leading manufacturers of stone wool products made from one of the most abundant natural resources on Earth. We are committed to helping everyone tackle the development challenges of modern life. By using stone, the most abundant natural resource in the world, we can create a lasting impact across generations. ROCKWOOL Japan LLC manufactures and sells insulation materials for industrial, plant, and equipment use, as well as building insulation and fireproof materials. Our insulation materials protect people from cold, heat, fire risks, and noise. By reducing energy consumption and CO2 emissions, we protect both the environment and investments.